Free Lead Sheet – Onward Christian Soldiers Free Lead Sheet - Onward Christian Soldiers by Sabine Baring-Gould and Arthur S. Sullivan!. Key of C, D, Eb, and F Major. Enjoy! Onward Christian Soldiers - Eb Major (Popular Key)(pdf) Onward Christian Soldiers - C Major (pdf) Onward Christian Soldiers - D Major (pdf) Onward Christian Soldiers - F Major (pdf) Other Resources More Lead Sheets Michael Kravchuk